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Performance Tests
17
Figure 2-1. Verification Test Setup
L1 L2
L3
O1
O2
O3
COM
O1O2O3
COM
AC INPUT 3 phase
180-254 VAC line to line
or
360-440 VAC line to line
Rl
Rs
Rl = 60 OHM @ 300V OUTPUT >1500W
Rs = Current Monitor resistor - move for
15 OHM @ 150V OUTPUT >1500W
S1
Switch is for convience, not required.
130
HP3458A
DMM
testing current in phase 2 & 3
TEST SETUP for 6834B
6834B
SENSE
L1
L2
L3
O1
COM
O1
COM
AC INPUT 3 phase
180-254 VAC line to line
or
360-440 VAC line to line
Rl
Rs
Rl = 7.5 OHM or 30 OHM for 6814B
Rs = Current Monitor resistor
5 OHM or 20 OHM for 6843A
S1
1
30
*Note: Replace HP3458A DMM with HP5316B Counter for frequency test.
Replace HP3458A DMM with HP8903A Harmonic Analyzer for distortion test
6814B or
SENSE
NOTE: Be sure to move sense lead to phase
to all three phases.
6843A
see performance test for correct value
under test or connect sense leads
HP3458A
DMM
l
TEST SETUP for 6814B / 6843A
NOTE: Sense leads connections
reversed on 6843A